EPIC (Enhanced-Performance Implanted CMOS) Submicron Process Typical V

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EPIC (Enhanced-Performance Implanted CMOS) Submicron Process Typical V

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SN74LVC2G157 SINGLE 2-LINE 1-LINE DATA SELECTOR/MULTIPLEXER
EPIC (Enhanced-Performance Implanted CMOS) Submicron Process Typical VOLP (Output Ground Bounce) <0.8 25°C Typical VOHV (Output Undershoot) 25°C Ioff Supports Partial-Power-Down Mode Operation Supports Operation Package Options Include Plastic Thin Shrink Small-Outline (DCT, DCU) Packages
PACKAGE (TOP VIEW)
description
This single 2-line 1-line data selector/multiplexer designed 1.65-V 5.5-V operation. SN74LVC2G157 features common strobe input. When strobe high, high. When strobe low, single selected from sources routed outputs. device provides true complementary data. This device fully specified partial-power-down applications using Ioff. Ioff circuitry disables outputs, preventing damaging current backflow through device when powered down. SN74LVC2G157 characterized operation from -40°C 85°C.
FUNCTION TABLE INPUTS OUTPUTS
logic symbol
This symbol accordance with ANSI/IEEE 91-1984 Publication 617-12.
Please aware that important notice concerning availability, standard warranty, critical applications Texas Instruments semiconductor products disclaimers thereto appears this data sheet. EPIC trademark Texas Instruments Incorporated.
PRODUCT PREVIEW information concerns products formative design phase development. Characteristic data other specifications design goals. Texas Instruments reserves right change discontinue these products without notice.
Copyright 2000, Texas Instruments Incorporated
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SN74LVC2G157 SINGLE 2-LINE 1-LINE DATA SELECTOR/MULTIPLEXER
logic diagram (positive logic)
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, -0.5 Input voltage range, (see Note -0.5 Output voltage range, (see Notes -0.5 Input clamp current, Output clamp current, Continuous output current, Continuous current through ±100 Package thermal impedance, (see Note package 296°C/W package 329°C/W Storage temperature range, Tstg -65°C 150°C
Stresses beyond those listed under "absolute maximum ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "recommended operating conditions" implied. Exposure absolute-maximum-rated conditions extended periods affect device reliability. NOTES: input negative-voltage output voltage ratings exceeded input output current ratings observed. value provided recommended operating conditions table. package thermal impedance calculated accordance with JESD
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POST OFFICE 655303
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SN74LVC2G157 SINGLE 2-LINE 1-LINE DATA SELECTOR/MULTIPLEXER
recommended operating conditions (see Note
Supply voltage Operating Data retention only 1.65 1.95 1.65 1.95 1.65 High-level output current 1.65 Low-level output current 0.15 Input transition rise fall rate 1.65 0.65 0.35 ns/V UNIT
High-level High level input voltage
Low-level level input voltage
Input voltage Output voltage
Operating free-air temperature NOTE unused inputs device must held ensure proper device operation. Refer application report, Implications Slow Floating CMOS Inputs, literature number SCBA004.
POST OFFICE 655303
DALLAS, TEXAS 75265
PRODUCT PREVIEW
SN74LVC2G157 SINGLE 2-LINE 1-LINE DATA SELECTOR/MULTIPLEXER
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER -100 Ioff inputs GND, input Other inputs TEST CONDITIONS 1.65 1.65 1.65 1.65 1.65 VCC-0.1 0.45 0.55 0.55 UNIT
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typical values 25°C.
switching characteristics over recommended operating free-air temperature range (unless otherwise noted) (see Figures through
PARAMETER FROM (INPUT) (OUTPUT) 0.15 UNIT
operating characteristics, 25°C
PARAMETER Power dissipation capacitance TEST CONDITIONS UNIT
POST OFFICE 655303
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SN74LVC2G157 SINGLE 2-LINE 1-LINE DATA SELECTOR/MULTIPLEXER
PARAMETER MEASUREMENT INFORMATION 0.15
From Output Under Test (see Note Open TEST tPLZ/tPZL tPHZ/tPZH Open
LOAD CIRCUIT Timing Input Data Input VCC/2 VCC/2 VCC/2 VOLTAGE WAVEFORMS SETUP HOLD TIMES Output Waveform (see Note tPZH Output VCC/2 VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VCC/2 Output Waveform (see Note Output Control tPZL Input VCC/2 tPLH VCC/2 tPHL VCC/2 VCC/2 tPLZ VCC/2 0.15 tPHZ 0.15 VOLTAGE WAVEFORMS ENABLE DISABLE TIMES Input VCC/2 VOLTAGE WAVEFORMS PULSE DURATION VCC/2
VCC/2
NOTES: includes probe capacitance. Waveform output with internal conditions such that output except when disabled output control. Waveform output with internal conditions such that output high except when disabled output control. input pulses supplied generators having following characteristics: MHz, outputs measured time with transition measurement. tPLZ tPHZ same tdis. tPZL tPZH same ten. tPLH tPHL same tpd.
Figure Load Circuit Voltage Waveforms
POST OFFICE 655303
DALLAS, TEXAS 75265
PRODUCT PREVIEW
SN74LVC2G157 SINGLE 2-LINE 1-LINE DATA SELECTOR/MULTIPLEXER
PARAMETER MEASUREMENT INFORMATION
From Output Under Test (see Note Open TEST tPLZ/tPZL tPHZ/tPZH Open
LOAD CIRCUIT Timing Input VCC/2 VCC/2 VCC/2 VOLTAGE WAVEFORMS SETUP HOLD TIMES Output Waveform (see Note tPZH Output VCC/2 VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VCC/2 Output Waveform (see Note Output Control tPZL Input VCC/2 tPLH VCC/2 tPHL VCC/2 VCC/2 tPLZ VCC/2 0.15 tPHZ 0.15 VOLTAGE WAVEFORMS ENABLE DISABLE TIMES Input VCC/2 VOLTAGE WAVEFORMS PULSE DURATION VCC/2
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Data Input
VCC/2
NOTES: includes probe capacitance. Waveform output with internal conditions such that output except when disabled output control. Waveform output with internal conditions such that output high except when disabled output control. input pulses supplied generators having following characteristics: MHz, outputs measured time with transition measurement. tPLZ tPHZ same tdis. tPZL tPZH same ten. tPLH tPHL same tpd.
Figure Load Circuit Voltage Waveforms
POST OFFICE 655303
DALLAS, TEXAS 75265
SN74LVC2G157 SINGLE 2-LINE 1-LINE DATA SELECTOR/MULTIPLEXER
PARAMETER MEASUREMENT INFORMATION
Open TEST tPLZ/tPZL tPHZ/tPZH Open
From Output Under Test (see Note
LOAD CIRCUIT
Timing Input Data Input
VOLTAGE WAVEFORMS SETUP HOLD TIMES
Input
VOLTAGE WAVEFORMS PULSE DURATION
Output Control tPZL Output Waveform (see Note tPZH Output Waveform (see Note tPLZ tPHZ VOLTAGE WAVEFORMS ENABLE DISABLE TIMES
Input tPLH
tPHL
Output
VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES
NOTES: includes probe capacitance. Waveform output with internal conditions such that output except when disabled output control. Waveform output with internal conditions such that output high except when disabled output control. input pulses supplied generators having following characteristics: MHz, outputs measured time with transition measurement. tPLZ tPHZ same tdis. tPZL tPZH same ten. tPLH tPHL same tpd.
Figure Load Circuit Voltage Waveforms
POST OFFICE 655303
DALLAS, TEXAS 75265
PRODUCT PREVIEW
SN74LVC2G157 SINGLE 2-LINE 1-LINE DATA SELECTOR/MULTIPLEXER
PARAMETER MEASUREMENT INFORMATION
From Output Under Test (see Note Open TEST tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open
LOAD CIRCUIT Timing Input Input VCC/2 VCC/2 Data Input VCC/2 VOLTAGE WAVEFORMS SETUP HOLD TIMES VCC/2
VCC/2
PRODUCT PREVIEW
VOLTAGE WAVEFORMS PULSE DURATION
Input tPLH Output tPHL Output VCC/2 VCC/2 VCC/2 VCC/2 tPHL VCC/2 tPLH VCC/2 VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING NONINVERTING OUTPUTS
Output Control tPZL
VCC/2 VCC/2 tPLZ VCC/2 tPZH VCC/2 tPHZ
Output Waveform (see Note Output Waveform (see Note
VOLTAGE WAVEFORMS ENABLE DISABLE TIMES LOW- HIGH-LEVEL ENABLING
NOTES: includes probe capacitance. Waveform output with internal conditions such that output except when disabled output control. Waveform output with internal conditions such that output high except when disabled output control. input pulses supplied generators having following characteristics: MHz, outputs measured time with transition measurement. tPLZ tPHZ same tdis. tPZL tPZH same ten. tPLH tPHL same tpd.
Figure Load Circuit Voltage Waveforms
POST OFFICE 655303
DALLAS, TEXAS 75265
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EPIC (Enhanced-Performance Implanted CMOS) Submicron Process Typical V

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